The hex color #71d38a is a light color. The web-safe version is Hex
#66CC99. A complementary color is
#8E2C75. The grayscale version is
#9A9A9A. A 20% lighter version of the original color is
#A4FFBD, and Hex
#3EA057 is the 20% darker color. If the color is saturated by 10%, you get
#6DD988. If the color is desaturated by 10%, the color
#75CD8C is obtained.